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International Automotive Technicians Network
Re: 1999 Ford Explorer Code P0443 Problem
Posted to Technical Discussion Forum on 8/15/2006

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I think the Key is that it is a duty cycle. Have you checked it with a scope? You could also continuity check the wires by unplugging the solenoid and Pcm and seeing if you have a good wire. Also check it against ground. Mike Login to read more.